Introduction to Big and Small Wells: Luodian and Big Wells Scenic Area is located in the northeast of Luodian County, with an average annual temperature of 19.5 degrees Celsius. It is a natural greenhouse. The northeastern part of the scenic area is dominated by tiankeng and karst caves, and the western part is represented by original ecological plants, hanging coffins, and stone forests. It has high scientific research value and popular science education in studying the causes of tiankeng, hydrology, rivers, and ecological environment. significance.